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Using Sine Cosine and Tan in Excel. - -Engineering spreadsheets - Eng-Tips 準備好爆米花的請繼續往下看↓↓ Excel Trig Functions SIN(number) SIN(30) equals -0.98803, the sine of 30 radians SIN(RADIANS(30)) equals 0.5, the sine of 30 Example: =SIN(RADIANS(30)) COS(number) COS(1.5) equals 0.07074, the cosine of 1.5 radians COS(RADIANS(1.5)) equals 0.99966 ......
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